/*
 * Copyright (C) 2011 by Fabien Barbero
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package com.flickr.utils;

import com.flickr.api.IdentifiedObject;
import java.awt.Image;
import java.io.IOException;
import java.net.URL;
import java.nio.charset.Charset;
import java.util.Arrays;
import java.util.List;
import javax.imageio.ImageIO;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 *
 * @author Fabien Barbero
 */
public class FlickrUtils {
    
    private static final Logger LOGGER = LoggerFactory.getLogger(FlickrUtils.class);
    
    private FlickrUtils() {}
    
    public static final Charset UTF8 = Charset.forName("UTF-8");
    
    /**
     * Convert a string into a byte array using the UTF-8 charset.
     * @param str   The string to convert.
     * @return      The correcponding byte array.
     */
    public static byte[] toByteArray(String str) {
        return str.getBytes(UTF8);
    }
    
    public static String concat(List<? extends IdentifiedObject> objs, String delimiter) {
        StringBuilder builder = new StringBuilder();
        for (int i = 0; i < objs.size(); i++) {
            builder.append(objs.get(i).getId());
            if(i<objs.size()) {
                builder.append(delimiter);
            }
        }
        return builder.toString();
    }
    
}
